Martyn WilliamsSenior U.S. Correspondent, IDG News Service

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Martyn Williams covers mobile telecoms, security, Silicon Valley, and general technology breaking news for the IDG News Service, and is based in San Francisco.

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Shape-shifting robot reveals secrets of Fukushima reactor

Robots reveal high radioactivity but little debris in their important mission.

Google's Project Loon close to launching thousands of balloons

Google says its Project Loon is close to being able to produce and launch thousands of balloons to provide Internet access from the sky.

PCWorld News

Uber lawsuit over alleged India rape heading to mediation

Both sides have agreed to try to settle the claim without a trial

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MIT develops wireless trackpad for your thumbnail

Tiny wireless device is still a prototype, but brings a new way to control electronics

Wikileaks publishes Sony's hacked email for anyone to go through

Thousands of documents are included in a searchable archive.

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Amazing bug-sized robots can build microstructures

Silicon Valley team eyes tiny, fast-moving robots in DARPA project.

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New robot bounces, could replace rovers on NASA missions

Researchers eye unique robots for missions a decade and more into the future.

PCWorld News

US sounds alarm on hacking of passenger jets, air traffic control

Government report says the FAA needs to do more to ensure safety in the skies

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Bitcoin Foundation hit hard by big bitcoin losses

While the Bitcoin Foundation says it's not bankrupt, it has been hit hard by the currency it's trying to promote.

PCWorld News

Uber seeks to dismiss India rape lawsuit

Uber says its US unit had nothing to do with alleged assault and it's outside the reach of US courts

PCWorld News

Samsung expects big drop in first-quarter profits

The company is battling fierce competition at both ends of the smartphone business

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Apple Pay rival CurrentC coming in mid-2015

The payments platform operated by major US retailers is testing Bluetooth and barcode technologies.

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Radical new battery could reduce phone charging to just one minute

Stanford researchers say the aluminium-ion battery is safer and cheaper than lithium ion.

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Confusion but hope as U.S. faces mobile payment revolution

In six months, new card regulations could usher in greater acceptance of Apple Pay and its competitors.

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Thousands comment on proposed drone regulations

The FAA is accepting public comments until late April